function rotator_rotate(number) {
  if (number > 0) {
    clearTimeout(mytimout);
    extra_timeout = 5;
    var new_active = number;
  }
  else {
    extra_timeout = 0;
    var new_active = active + 1;
  }
  if (new_active > amount) {
    new_active = 1;
  }

  new Effect.Fade('image' + active);
  new Effect.Appear('image' + new_active);

  $('carrousel').select('li:nth-child(' + (active) + ') a').invoke('removeClassName', 'active');
  $('carrousel').select('li:nth-child(' + (active) + ') a').invoke('writeAttribute', 'href', 'Javascript:rotator_rotate(' + active + ');');
  $('carrousel').select('li:nth-child(' + (new_active) + ') a').invoke('addClassName', 'active');
  $('carrousel').select('li:nth-child(' + (new_active) + ') a').invoke('writeAttribute', 'href', 'Javascript:void(0);');

  active = new_active;
  mytimout = setTimeout('rotator_rotate()', (imagefadertimeout + extra_timeout) * 1000);
}

function rotator_init() {
  for (var i = active + 1; i <= amount; i++) {
    $('image' + i).style.display = 'none';
  }
  mytimout = setTimeout('rotator_rotate()', imagefadertimeout*1000);
}